Campbell Scientific CR1000KD CR1000 Measurement and Control System - Page 247
Groundwater Pump Test
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Section 7. Installation 'Main Program BeginProg Scan(1,Sec,0,0) PanelTemp(PTemp,250) Counter1 = Counter1 + 1 NextScan 'Begin executable section of program 'Begin main scan 'End main scan SlowSequence 'Begin slow sequence 'Declare Public Variables for Secondary Scan (can be declared at head of program) Public Batt_Volt Public Counter2 'Declare Data Table DataTable(Test,1,-1) Minimum(1,batt_volt,FP2,0,False) Sample(1,PTemp,FP2) Sample(1, counter, fp2) EndTable 'Data Table "Test" is event driven. 'The event is the scan. Scan(5,Sec,0,0) Counter2 = Counter2 + 1 Battery(Batt_volt) CallTable Test NextScan EndProg 'Begin 1st secondary scan 'Call Data Table Test 'End slow sequence scan 'End executable section of program 7.8.17.4 Groundwater Pump Test CRBasic example Groundwater Pump Test (p. 247) demonstrates: 1. How to write multiple-interval data to the same data table. 2. Use of program-control instructions outside the Scan() / NextScan structure. 3. One way to execute conditional code. 4. Use of multiple sequential scans, each with a scan count. CRBasic Example 55. Groundwater Pump Test 'A groundwater pump test requires that water level be measured and recorded 'according to the following schedule: 'Minutes into Test ' 0-10 ' 10-30 ' 30-100 ' 100-300 ' 300-1000 ' 1000 + Data Interval 10 seconds 30 seconds 1 minute 2 minute 5 minute 10 minute 247
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